How many people will show up at your poster?

This Twitter thread by Laura Williams about poster presentations began:

83% expect 10 or fewer poster visitors at large meeting.

This reminded me of an unfinished project: a formula to estimate how many people you could expect at your poster.

This is how far I got:

My efforts were inspired by the Drake equation. The attendance at the meeting (N_r for number ) is the maximum possible number of people who can see your poster (V for viewers). Most of the rest of the terms in the equation are fractions that reduce attendance at your poster.

Looking back on this was, my favourite factor in this equation (mid right) was, “f_c = fraction (of attendees) more interested in coffee (than your poster).” And the postscript to that still makes me smile: “GEOLOGY f_b = beer.”

Geologists do love their beer, I’ve heard.

Comments

Scott McCloud’s “Big triangle” and poster design

Posters are a visual medium. But not everything is equally visual. A picture of a real object is very visual, and the best thing to have on a poster. A scatter plot is less visual. And text is the least of all. I was thinking about how I might make that point, um, visually, and I suddenly realized that I was just recreating one side of Scott McCloud ’s triangle from Understanding Comics . If you have not read Understanding Comics ... oh, how I envy you. You have that to look forward to. It is a wonderful book. Even if you are the sort who thinks, “Ugh, superheroes,” get over it, read this damn book, and have your consciousness expanded. It is an undisputed classic book. Here’s a except relevant to the matter at hand: And that’s the point I was trying to make, except McCloud did it better over twenty years ago. Received information is immediate; perceived information takes effort. This is why nobody likes posters with too much writing. It takes effort that, in a busy conference settin...

Link round-up for March, 2019

Mike Morrison has a 20 minute video describing what a poster session is and how to make a poster. Unlike Mike, however, I do not believe poster sessions are “holding the human race back in a non insignificant way.” The video, particularly the first half, is pessimistic about poster sessions. Around 13:25, good stuff starts to happen as Mike outlines a good poster design. I think he overestimates people’s willingness to snap pictures of QR codes, though. Mike has provided templates here , and is working on a study validating the design he has. He is looking for grad students to participate. You can email him at Mike.A.Morrison@gmail.com . Amy Burgain saw this video and offers this alternative : Amy writes: It achieves the clear simple message BUT emphasizes how that message is supported by the DATA. It keeps the goal of understanding how the conclusion is related to the data while also making it easier to glean main messages. I plan to have my own longer post about this in a couple of...

You have options for numbers (PowerPoint users need not apply)

If you must have a table on your poster, look into what options you have for your numbers. Many fonts have number variants. Proportional numbers have skinny numbers (e.g., 1) and wide numbers (e.g., 0). Two numbers differ in width depending on what numbers they have. But tabular numbers are all the same width. So decimal places and dividers will line up if the numbers are lined up, as they are in a table. If you have a table, it only makes sense to use tabular numbers if you can. They are explicitly designed to make your tables more readable! But tabular numbers will only do so if you follow a couple of other good practices: Make your numbers right aligned. Use the same number of decimal places in each column. You may also find a couple of other options. numbers can be either lining numbers (all the same height) or oldstyle (with ascenders and descenders, like upper and lower-case letters). That means you have four options for many fonts. In Microsoft Office, these options are...

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